JP2001207488A - Piping system for supplying water/hot water in bathroom - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve inconveniences, such as stoppage of the use of bathroom and tearing-off of wall tiles to repair piping in the washing place of bathroom water/hot-water supply piping in hotels and inns, in case of a water leakage accident in the piping, thereby resulting in high repair cost, and large financial damage to commercial bathhouses, the inconveniences caused by embedded a structure of the piping system in the lining block wall of the bathroom, and to facilitate maintenance inspection and change of piping. SOLUTION: There is provided a bathroom piping system, which is constructed by laying a flexible sleeve 9 at a location between a water/hot-water supply header 8 and a faucet box 6 set within a wall 5 of the bathroom 1 for inserting an internal pipe 10 into the flexible sleeve, and connecting an elbow 11 for attaching a faucet fitting 2 in the faucet box to the internal pipe. In this bathroom piping system, a cylindrical opening 12, into which a leading end of the elbow is inserted, is formed in a single body, with a flanged 15 sheath pipe 14 being installed on the outside of a short cylindrical portion 13 which is formed integrally in the faucet box.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a piping system for supplying hot water to a bathroom such as a hotel or an inn.

[0002]

2. Description of the Related Art Water supply and hot water supply pipes in washing rooms such as hotels and inns are buried in lining block walls of bathrooms, and elbows are connected to openings in the bathroom walls. Many have a structure to attach a faucet. In such a structure, appropriate waterproofing work is performed at a location where the faucet fitting is attached.

On the other hand, recently, in a part of an apartment house such as an apartment, a flexible or pipe is laid between a header for water supply or hot water supply and a faucet box provided on a wall of a water supply or hot water supply place, While inserting the inner tube into this flexibility and tube,
A piping system having a configuration in which an elbow for attaching a faucet fitting in a faucet box, that is, a so-called sheath header type piping system is applied to the inner tube. In this piping system, the elbow is fixed to the cylindrical opening formed on the side of the faucet box with a lock nut, and the faucet fitting is screwed and fixed inside the intermediate joint screwed to the tip side of the elbow. . Further, when a waterproof ring having an O-ring mounted on the contact surface side with the wall is screwed into the outside of the intermediate joint and tightened, the waterproof ring is formed into a cylindrical opening which is flush with the wall surface. Abutting against the tip of the part, thus firmly fixing the faucet box by sandwiching the wall with the waterproof ring and the front of the faucet box. At this time, the O-ring attached to the waterproof ring abuts the wall surface to provide the waterproof function Demonstrate.

[0004]

As described above, in a pipe buried in a concrete block wall, a water leakage accident may occur due to expansion and contraction of the pipe, electric corrosion, and the like. In this case, the bathroom must be stopped, the tiles on the wall must be peeled off, and the plumbing must be repaired. Therefore, the repair cost is increased, and a business bath is seriously damaged in business. Also, maintenance, maintenance, and updating of piping are not easy.

On the other hand, in the conventional sheath system of the sheath header type, the wall thickness is limited because the length of projection of the tubular opening of the faucet box is limited due to processing. Is difficult. For this reason, it is not used around water in which hot and cold water is always applied to the wall surface, such as a washing place in a bathroom.

Therefore, the present invention makes it possible to apply a sheath pipe type piping system to a place where the wall is relatively thick and water is always splashed with hot water, such as a washing room in a bathroom, and employs such a piping system. The purpose of the present invention is to solve the problem of buried piping.

[0007]

In order to solve the above-mentioned problems, according to the present invention, a flexible pipe or pipe is laid between a water supply or hot water supply header and a water faucet box installed inside a bathroom wall. In a bathroom piping system in which an inner tube is inserted into this flexibility or tube and an elbow for attaching a faucet fitting in the faucet box is connected to the inner tube, the tip side of the elbow is inserted into the faucet box. The present invention proposes a water supply and hot water supply piping system for a bathroom in which a cylindrical opening to be inserted is provided outside a short cylindrical portion formed integrally with a faucet box, and a sheath provided with a flange is attached to form a unit. is there.

In the present invention, it is proposed that a valve be provided for each inner tube on the header side in the above configuration.

According to the present invention described above, the cylindrical opening for fixing the faucet box to the wall surface using the waterproof ring,
A short tubular portion integrally formed in the faucet box is mounted with a sheath provided with a flange, and is integrally configured, so that its length can be appropriately configured depending on the mounted sheath or tube,
The distance between the faucet box and the waterproof ring is not limited.
Therefore, for example, in a bathroom, it can be applied to a place where a faucet for water supply and hot water supply is attached, that is, a case where a wall is thick like a washing place or the like. It can be carried out.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. First, FIG. 1 is an explanatory diagram showing the overall configuration of an embodiment of a water / hot water supply piping system of the present invention,
FIG. 2 is an explanatory diagram showing an enlarged main part of FIG. 1, and FIG. 3 is an explanatory diagram showing an enlarged main portion of FIG. In these figures, reference numeral 1 denotes a bathroom, 2 denotes a faucet for hot and cold water supply, 3 denotes a wash basin, and 4 denotes a drain. The faucet fitting 2 is mounted on the wall 5 by a faucet box 6 installed inside the wall 5 of the bathroom 1.
It is a configuration to be attached to the front side. Reference numeral 7 denotes a machine room, in which a hot water supply system (not shown) and the like are installed, and a hot water supply header 8 is installed.
A flexible tube 9 is laid between the header 8 and the faucet box 6, an inner tube 10 for hot water supply is inserted into the flexible tube 9 and a faucet box is inserted into the inner tube 10. 6
An elbow 11 for mounting the faucet fitting 2 is connected in the inside. The above piping configuration has been recently performed as a piping system of the sheath pipe header type, and a detailed description thereof will be omitted. Next, a configuration according to the present invention will be described with reference to FIGS. 3 to 5. In the present invention, the faucet box 6 is formed with a cylindrical opening 12 through which the distal end side of the elbow 11 is inserted as follows. . That is, reference numeral 13
Is a short cylindrical portion formed integrally with the faucet box 6, and reference numeral 14 is a sheath tube provided with a flange 15, and the inner diameter of the sheath 15 on the flange 15 side is equal to the outer diameter of the short cylindrical portion 13. Configured accordingly. The long cylindrical opening 12 is formed by attaching the flange 15 side of the sheath 14 to the short cylindrical portion 13 and integrating them by a method such as bonding. As described above, the cylindrical opening 12 is integrally formed by mounting the sheath 14 provided with the flange 15 on the short cylindrical portion 13 integrally formed with the faucet box 6 and integrally formed. It can be appropriately constituted by the sheath to be mounted and the tube 14. In the above configuration, first, the elbow 11 is fixed to the female screw portion 16 formed in the short cylindrical portion 13 integral with the faucet box 6 via the lock nut 17, and then the intermediate joint 18 is attached to the distal end side of the elbow 11. Screw. For this reason, the lock nut 17 is externally threaded with the male screw portion 1 screwed into the female screw portion 16.
9 and a female screw portion 21 for screwing a male screw portion 20 outside the elbow 11 inside. One end of the intermediate joint 18 has a male screw portion 2 screwed to the elbow 11.
2, and a male screw part 24 for screwing the waterproof ring 23 and a female screw part 25 for screwing the faucet fitting 2 on the other end side. The waterproof ring 23 has a wall 5
When the waterproof ring 23 is screwed into the male screw portion 24 of the intermediary joint 18 and tightened, the O-ring 26 is attached to the front surface of the wall 5. At the same time, the flange 15 of the sheath tube 14 abuts on the back surface of the wall 5, and the tip of the sheath tube 14 is flush or substantially flush with the front surface of the wall 5 and the waterproof ring 23. Abut
Thus, the wall 5 is sandwiched between the contact surface of the waterproof ring 23 and the flange 15 of the sheath 14, so that the faucet box 6 is firmly fixed to the wall 5. At this time, the O-ring 26 attached to the waterproof ring 23 is compressed and adhered to the surface on the front side of the wall 5 to exhibit a waterproof function. In this state, the female screw portion 25 of the faucet fitting 2 is
By screwing, the faucet fitting 2 can be attached. From the above, the present invention can be applied to a place where the water faucet fitting 2 is attached in the bathroom 2, that is, a place where the wall 5 of the washing place is thick, and a place where the faucet fitting 2 is attached. Can be easily waterproofed. 1 to 3 indicate the urethane waterproof portion 28, and reference numeral 29 indicates O.
It is a ring.

With the above-described structure, in the present invention, it is possible to apply the sheath pipe header type piping system to a water area where hot and cold water is constantly applied to a wall surface, such as a bathroom washing room. It is possible to make use of the advantages that the number of water leakage accidents can be reduced and that repair and replacement of members can be easily performed.

Further, in the present invention, as shown in FIG. 1, a valve 30 is provided for each inner tube 10 on the header 8 side, so that the water faucet 2
Even if a problem occurs in the hot water supply hot water supply path leading to, if the valve 30 corresponding to the hot water supply hot water supply path is closed, the other hot water supply hot water supply path remains in use, and the element of the hot water supply hot water supply path in which the problem occurred is repaired. It can be performed.

[0013]

As described above, the present invention has the following effects. a. It is possible to apply the tubing header type piping system to the area where water is constantly applied to the wall surface, such as in a bathroom washing room, etc., which can reduce water leakage accidents and make it easy to repair or replace parts You can take advantage of the advantages. That is, it is possible to solve the problem of the piping system for hot and cold water supply with buried piping. b. Even if a problem occurs in the hot water supply route from the header to the faucet fitting, the other hot water supply route can be repaired while the other hot water supply route is in use. Therefore, even if a problem occurs in any of the hot and cold water supply routes in a commercial bath or the like, business can be continued, so that there is no great loss in management.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing an overall configuration of a water supply / hot water supply piping system according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a main part of FIG. 1 in an enlarged manner.

FIG. 3 is an explanatory diagram showing an enlarged main part of FIG. 2;

FIG. 4 is an explanatory diagram showing components of FIG. 3;

FIG. 5 is an explanatory view showing only a part of a faucet box according to the present invention.

FIG. 6 is an explanatory diagram showing components of FIG. 5;

[Explanation of symbols]

 Reference Signs List 1 bathroom 2 faucet fitting 3 wash basin 4 drainage ditch 5 wall 6 faucet box 7 machine room 8 header 9 flexible tube 10 inner tube 11 elbow 12 tubular opening 13 short tubular portion 14 sheath tube 15 flange 16, 21, 25 Female thread part 17 Lock nut 18 Intermediate joint 19, 20, 22, 24, 27 Male thread part 23 Waterproof ring 26, 29 O-ring 28 Urethane waterproof part 30 Valve

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Shinichi Kakizaki 3-8 Kita 12-Jo Nishi, Kita-ku, Sapporo-shi, Hokkaido F-term (reference) 2D060 AB07 AC03 AC05

Claims (2)

[Claims] A flexible pipe is laid between a header for water supply or hot water supply and a faucet box installed inside a wall of a bathroom, and an inner pipe is inserted into the flexible pipe and the inner pipe. In a bathroom piping system in which an elbow for attaching a faucet fitting is connected in a faucet box, the faucet box is formed integrally with the faucet box with a tubular opening through which the distal end of the elbow is inserted. A piping system for hot and cold water supply in a bathroom, characterized in that a sheath provided with a flange is attached to the outside of the short tubular portion and integrally formed. 2. A piping system for hot and cold water supply in a bathroom, wherein a valve is provided for each inner pipe on the header side.